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An EBSD study of texture and grain boundary evolution in a strongly textured aluminium alloy during ECA pressing

Starink, M.J., Wang, S.C., Gao, N., Ubhi, H.S., Xu, C. and Langdon, T.G., (2006) An EBSD study of texture and grain boundary evolution in a strongly textured aluminium alloy during ECA pressing Horita, Zenji (ed.) In Nanomaterials by Severe Plastic Deformation. Trans Tech., pp. 937-942.

Record type: Conference or Workshop Item (Paper)


The texture and grain boundary evolution during equal channel angular pressing (ECAP) of a spray-cast Al-7034 (Al-Zn-Mg-Cu) alloy containing intermetallic particles with a range of sizes was studied through electron backscatter diffraction (EBSD). Up to 8 passes of ECAP using route Bc were employed. The initial ECAP pass leads to the development of low angle grain boundaries and subsequent passes lead to a relatively rapid increase in the fraction of high angle grain boundaries. Before ECAP, the material possessed a strong <111> and <100> fibre texture. On ECAP, the <111> fibre texture component is mostly retained but the <100> fibre develops to a Cube texture after the first ECAP pass. Goss textures form from about 4 passes of ECAP.

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Published date: 2006
Additional Information: Series ISSN 0255-5476
Venue - Dates: SPD-3: 3rd International Conference on Nanomaterials by Severe Plastic Deformation, 2005-09-21 - 2005-09-26
Keywords: aluminium 7034 alloy, texture, ECAP, EBSD, LAGB, low angle grain boundaries


Local EPrints ID: 19147
ISBN: 0878499857
PURE UUID: f0c9ddf0-16ac-4d90-91fb-00a94ce6d2da
ORCID for T.G. Langdon: ORCID iD

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Date deposited: 09 Jan 2006
Last modified: 17 Jul 2017 16:33

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Author: M.J. Starink
Author: S.C. Wang
Author: N. Gao
Author: H.S. Ubhi
Author: C. Xu
Author: T.G. Langdon ORCID iD
Editor: Zenji Horita

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